X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=uip%2Fannosbr.c;h=db7487092f469062d409491244b21f2907884964;hp=427daba85a0c4a813f5dc0e7b6e2e0a65ac80452;hb=ced6090a330d3d83d0bce709f756aa3d7d65fea4;hpb=337338b404931f06f0db2119c9e145e8ca5a9860 diff --git a/uip/annosbr.c b/uip/annosbr.c index 427daba..db74870 100644 --- a/uip/annosbr.c +++ b/uip/annosbr.c @@ -1,10 +1,10 @@ /* - * annosbr.c -- prepend annotation to messages - * - * This code is Copyright (c) 2002, by the authors of nmh. See the - * COPYRIGHT file in the root directory of the nmh distribution for - * complete copyright information. - */ +** annosbr.c -- prepend annotation to messages +** +** This code is Copyright (c) 2002, by the authors of nmh. See the +** COPYRIGHT file in the root directory of the nmh distribution for +** complete copyright information. +*/ #include #include @@ -15,15 +15,15 @@ /* - * static prototypes - */ +** static prototypes +*/ static int annosbr (int, char *, char *, char *, int, int, int, int); /* - * This "local" global and the annopreserve() function are a hack that - * allows additional functionality to be added to anno without piling - * on yet another annotate() argument. - */ +** This "local" global and the annopreserve() function are a hack that +** allows additional functionality to be added to anno without piling +** on yet another annotate() argument. +*/ /* set to preserve access and modification times on annotated message */ static int preserve_actime_and_modtime = 0; @@ -67,11 +67,11 @@ annotate (char *file, char *comp, char *text, int inplace, int datesw, } /* - * Produce a listing of all header fields (annotations) whose field - * name matches comp. Number the listing if number is set. Treate the - * field bodies as path names and just output the last component unless - * text is non-NULL. We don't care what text is set to. - */ +** Produce a listing of all header fields (annotations) whose field +** name matches comp. Number the listing if number is set. Treate the +** field bodies as path names and just output the last component unless +** text is non-NULL. We don't care what text is set to. +*/ void annolist(char *file, char *comp, char *text, int number) @@ -90,26 +90,26 @@ annolist(char *file, char *comp, char *text, int number) adios(file, "unable to open"); /* - * Allocate a buffer to hold the header components as they're read in. - * This buffer might need to be quite large, so we grow it as needed. - */ + ** Allocate a buffer to hold the header components as they're read in. + ** This buffer might need to be quite large, so we grow it as needed. + */ field = (char *)mh_xmalloc(field_size = 256); /* - * Get the length of the field name since we use it often. - */ + ** Get the length of the field name since we use it often. + */ length = strlen(comp); count = 0; do { /* - * Get a line from the input file, growing the field buffer - * as needed. We do this so that we can fit an entire line - * in the buffer making it easy to do a string comparison - * on both the field name and the field body which might be - * a long path name. - */ + ** Get a line from the input file, growing the field buffer + ** as needed. We do this so that we can fit an entire line + ** in the buffer making it easy to do a string comparison + ** on both the field name and the field body which might be + ** a long path name. + */ for (n = 0, cp = field; (c = getc(fp)) != EOF; *cp++ = c) { if (c == '\n' && (c = getc(fp)) != ' ' && c != '\t') { @@ -125,10 +125,7 @@ annolist(char *file, char *comp, char *text, int number) } } - /* - * NUL-terminate the field.. - */ - + /* NUL-terminate the field */ *cp = '\0'; if (strncasecmp(field, comp, length) == 0 && field[length] == ':') { @@ -146,22 +143,17 @@ annolist(char *file, char *comp, char *text, int number) } while (*field != '\0' && *field != '-'); - /* - * Clean up. - */ - + /* Clean up. */ free(field); - (void)fclose(fp); return; } /* - * Set the preserve-times flag. This hack eliminates the need for an - * additional argument to annotate(). - */ - +** Set the preserve-times flag. This hack eliminates the need for an +** additional argument to annotate(). +*/ void annopreserve(int preserve) { @@ -192,13 +184,13 @@ annosbr (int fd, char *file, char *comp, char *text, int inplace, chmod (tmpfil, mode); /* - * We're going to need to copy some of the message file to the - * temporary file while examining the contents. Convert the - * message file descriptor to a file pointer since it's a lot - * easier and more efficient to use stdio for this. Also allocate - * a buffer to hold the header components as they're read in. - * This buffer is grown as needed later. - */ + ** We're going to need to copy some of the message file to the + ** temporary file while examining the contents. Convert the + ** message file descriptor to a file pointer since it's a lot + ** easier and more efficient to use stdio for this. Also allocate + ** a buffer to hold the header components as they're read in. + ** This buffer is grown as needed later. + */ if (delete >= -1 || append != 0) { if ((fp = fdopen(fd, "r")) == (FILE *)0) @@ -208,54 +200,50 @@ annosbr (int fd, char *file, char *comp, char *text, int inplace, } /* - * We're trying to delete a header field (annotation )if the - * delete flag is not -2 or less. A value greater than zero - * means that we're deleting the nth header field that matches - * the field (component) name. A value of zero means that - * we're deleting the first field in which both the field name - * matches the component name and the field body matches the text. - * The text is matched in its entirety if it begins with a slash; - * otherwise the text is matched against whatever portion of the - * field body follows the last slash. This allows matching of - * both absolute and relative path names. This is because this - * functionality was added to support attachments. It might be - * worth having a separate flag to indicate path name matching - * to make it more general. A value of -1 means to delete all - * matching fields. - */ + ** We're trying to delete a header field (annotation )if the + ** delete flag is not -2 or less. A value greater than zero + ** means that we're deleting the nth header field that matches + ** the field (component) name. A value of zero means that + ** we're deleting the first field in which both the field name + ** matches the component name and the field body matches the text. + ** The text is matched in its entirety if it begins with a slash; + ** otherwise the text is matched against whatever portion of the + ** field body follows the last slash. This allows matching of + ** both absolute and relative path names. This is because this + ** functionality was added to support attachments. It might be + ** worth having a separate flag to indicate path name matching + ** to make it more general. A value of -1 means to delete all + ** matching fields. + */ if (delete >= -1) { - /* - * Get the length of the field name since we use it often. - */ - + /* Get the length of the field name since we use it often. */ length = strlen(comp); /* - * Initialize the field counter. This is only used if - * we're deleting by number. - */ - + ** Initialize the field counter. This is only used if + ** we're deleting by number. + */ count = 0; /* - * Copy lines from the input file to the temporary file - * until we either find the one that we're looking - * for (which we don't copy) or we reach the end of - * the headers. Both a blank line and a line beginning - * with a - terminate the headers so that we can handle - * both drafts and RFC-2822 format messages. - */ + ** Copy lines from the input file to the temporary file + ** until we either find the one that we're looking + ** for (which we don't copy) or we reach the end of + ** the headers. Both a blank line and a line beginning + ** with a - terminate the headers so that we can handle + ** both drafts and RFC-2822 format messages. + */ do { /* - * Get a line from the input file, growing the - * field buffer as needed. We do this so that - * we can fit an entire line in the buffer making - * it easy to do a string comparison on both the - * field name and the field body which might be - * a long path name. - */ + ** Get a line from the input file, growing the + ** field buffer as needed. We do this so that + ** we can fit an entire line in the buffer making + ** it easy to do a string comparison on both the + ** field name and the field body which might be + ** a long path name. + */ for (n = 0, cp = field; (c = getc(fp)) != EOF; *cp++ = c) { if (c == '\n' && (c = getc(fp)) != ' ' && c != '\t') { @@ -271,44 +259,41 @@ annosbr (int fd, char *file, char *comp, char *text, int inplace, } } - /* - * NUL-terminate the field.. - */ - + /* NUL-terminate the field */ *cp = '\0'; /* - * Check for a match on the field name. We delete - * the line by not copying it to the temporary - * file if - * - * o The delete flag is 0, meaning that we're - * going to delete the first matching - * field, and the text is NULL meaning that - * we don't care about the field body. - * - * o The delete flag is 0, meaning that we're - * going to delete the first matching - * field, and the text begins with a / meaning - * that we're looking for a full path name, - * and the text matches the field body. - * - * o The delete flag is 0, meaning that we're - * going to delete the first matching - * field, the text does not begin with a / - * meaning that we're looking for the last - * path name component, and the last path - * name component matches the text. - * - * o The delete flag is positive meaning that - * we're going to delete the nth field - * with a matching field name, and this is - * the nth matching field name. - * - * o The delete flag is -1 meaning that we're - * going to delete all fields with a - * matching field name. - */ + ** Check for a match on the field name. We delete + ** the line by not copying it to the temporary + ** file if + ** + ** o The delete flag is 0, meaning that we're + ** going to delete the first matching + ** field, and the text is NULL meaning that + ** we don't care about the field body. + ** + ** o The delete flag is 0, meaning that we're + ** going to delete the first matching + ** field, and the text begins with a / meaning + ** that we're looking for a full path name, + ** and the text matches the field body. + ** + ** o The delete flag is 0, meaning that we're + ** going to delete the first matching + ** field, the text does not begin with a / + ** meaning that we're looking for the last + ** path name component, and the last path + ** name component matches the text. + ** + ** o The delete flag is positive meaning that + ** we're going to delete the nth field + ** with a matching field name, and this is + ** the nth matching field name. + ** + ** o The delete flag is -1 meaning that we're + ** going to delete all fields with a + ** matching field name. + */ if (strncasecmp(field, comp, length) == 0 && field[length] == ':') { if (delete == 0) { @@ -339,9 +324,9 @@ annosbr (int fd, char *file, char *comp, char *text, int inplace, } /* - * This line wasn't a match so copy it to the - * temporary file. - */ + ** This line wasn't a match so copy it to the + ** temporary file. + */ if ((n = fputs(field, tmp)) == EOF || (c == '\n' && fputc('\n', tmp) == EOF)) adios(NULL, "unable to write temporary file."); @@ -349,25 +334,24 @@ annosbr (int fd, char *file, char *comp, char *text, int inplace, } while (*field != '\0' && *field != '-'); /* - * Get rid of the field buffer because we're done with it. - */ + ** Get rid of the field buffer because we're done with it. + */ free((void *)field); - } - else { + } else { /* - * Find the end of the headers before adding the - * annotations if we're appending instead of the default - * prepending. A special check for no headers is needed - * if appending. - */ + ** Find the end of the headers before adding the + ** annotations if we're appending instead of the default + ** prepending. A special check for no headers is needed + ** if appending. + */ if (append) { /* - * Copy lines from the input file to the temporary - * file until we reach the end of the headers. - */ + ** Copy lines from the input file to the temporary + ** file until we reach the end of the headers. + */ if ((c = getc(fp)) == '\n') rewind(fp); @@ -408,11 +392,11 @@ annosbr (int fd, char *file, char *comp, char *text, int inplace, fflush (tmp); /* - * We've been messing with the input file position. Move the - * input file descriptor to the current place in the file - * because the stock data copying routine uses the descriptor, - * not the pointer. - */ + ** We've been messing with the input file position. Move the + ** input file descriptor to the current place in the file + ** because the stock data copying routine uses the descriptor, + ** not the pointer. + */ if (append || delete >= -1) { if (lseek(fd, (off_t)ftell(fp), SEEK_SET) == (off_t)-1) @@ -429,10 +413,10 @@ annosbr (int fd, char *file, char *comp, char *text, int inplace, lseek (fd, (off_t) 0, SEEK_SET); /* - * We're making the file shorter if we're deleting a - * header field so the file has to be truncated or it - * will contain garbage. - */ + ** We're making the file shorter if we're deleting a + ** header field so the file has to be truncated or it + ** will contain garbage. + */ if (delete >= -1 && ftruncate(fd, 0) == -1) adios(tmpfil, "unable to truncate."); @@ -461,10 +445,10 @@ annosbr (int fd, char *file, char *comp, char *text, int inplace, } /* - * Close the delete file so that we don't run out of file pointers if - * we're doing piles of files. Note that this will make the close() in - * lkclose() fail, but that failure is ignored so it's not a problem. - */ + ** Close the delete file so that we don't run out of file pointers if + ** we're doing piles of files. Note that this will make the close() in + ** lkclose() fail, but that failure is ignored so it's not a problem. + */ if (delete >= -1) (void)fclose(fp);