X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=uip%2Fprompter.c;h=7f71e028be4b43affaa581d1cccddfcb6cc0c0f4;hp=ef33db96a6ab1a2b2208e2522bd79b703a699d69;hb=6e9577f324bef90765a5edc02044eb111ec48072;hpb=f9ed40f2742263b3a1023bedee4139b4b18f0a86 diff --git a/uip/prompter.c b/uip/prompter.c index ef33db9..7f71e02 100644 --- a/uip/prompter.c +++ b/uip/prompter.c @@ -12,6 +12,11 @@ #include #include #include +#include +#include +#include +#include +#include static struct swit switches[] = { #define PREPSW 0 @@ -33,9 +38,10 @@ static struct swit switches[] = { { NULL, 0 } }; +char *version=VERSION; -static int wtuser = 0; -static int sigint = 0; +volatile sig_atomic_t wtuser = 0; +volatile sig_atomic_t sigint = 0; static jmp_buf sigenv; /* @@ -49,9 +55,10 @@ int main(int argc, char **argv) { int qbody = 1, prepend = 1, rapid = 0; - int fdi, fdo, i, state; + int fdi, fdo, i; char *cp, *drft = NULL; - char name[NAMESZ], field[BUFSIZ]; + enum state state; + struct field f = {{0}}; char buffer[BUFSIZ], tmpfil[BUFSIZ]; char **arguments, **argp; FILE *in, *out; @@ -71,19 +78,20 @@ main(int argc, char **argv) switch (smatch(++cp, switches)) { case AMBIGSW: ambigsw(cp, switches); - done(1); + exit(EX_USAGE); case UNKWNSW: - adios(NULL, "-%s unknown", cp); + adios(EX_USAGE, NULL, "-%s unknown", cp); case HELPSW: snprintf(buffer, sizeof(buffer), "%s [switches] file", invo_name); print_help(buffer, switches, 1); - done(1); + exit(argc == 2 ? EX_OK : EX_USAGE); + case VERSIONSW: print_version(invo_name); - done(1); + exit(argc == 2 ? EX_OK : EX_USAGE); case PREPSW: prepend++; @@ -111,14 +119,17 @@ main(int argc, char **argv) } } - if (!drft) - adios(NULL, "usage: %s [switches] file", invo_name); - if ((in = fopen(drft, "r")) == NULL) - adios(drft, "unable to open"); + if (!drft) { + adios(EX_USAGE, NULL, "usage: %s [switches] file", invo_name); + } + if ((in = fopen(drft, "r")) == NULL) { + adios(EX_IOERR, drft, "unable to open"); + } tfile = m_mktemp2(NULL, invo_name, NULL, &out); - if (tfile == NULL) - adios("prompter", "unable to create temporary file"); + if (tfile == NULL) { + adios(EX_CANTCREAT, "prompter", "unable to create temporary file"); + } chmod(tmpfil, 0600); strncpy(tmpfil, tfile, sizeof(tmpfil)); @@ -128,68 +139,57 @@ main(int argc, char **argv) /* ** Loop through the lines of the draft skeleton. */ - for (state = FLD;;) { - switch (state = m_getfld(state, name, field, sizeof(field), - in)) { - case FLD: - case FLDEOF: - case FLDPLUS: + for (state = FLD2;;) { + switch (state = m_getfld2(state, &f, in)) { + case LENERR2: + state = FLD2; + /* FALL */ + + case FLD2: /* ** Check if the value of field contains ** anything other than space or tab. */ - for (cp = field; *cp; cp++) - if (*cp != ' ' && *cp != '\t') + for (cp = f.value; *cp; cp++) { + if (*cp != ' ' && *cp != '\t') { break; + } + } /* If so, just add header line to draft */ if (*cp++ != '\n' || *cp) { - printf("%s:%s", name, field); - fprintf(out, "%s:%s", name, field); - while (state == FLDPLUS) { - state = m_getfld(state, name, field, - sizeof(field), in); - printf("%s", field); - fprintf(out, "%s", field); - } + printf("%s:%s", f.name, f.value); + fprintf(out, "%s:%s", f.name, f.value); } else { /* Else, get value of header field */ - printf("%s: ", name); + printf("%s: ", f.name); fflush(stdout); - i = getln(field, sizeof(field)); + i = getln(buffer, sizeof(buffer)); if (i == -1) { abort: unlink(tmpfil); - done(1); + exit(EX_DATAERR); } - if (i || (field[0]!='\n' && field[0]!='\0')) { - fprintf(out, "%s:", name); + if (i || (buffer[0]!='\n' && buffer[0]!='\0')) { + fprintf(out, "%s:", f.name); do { - if (field[0] != ' ' && field[0] != '\t') + if (buffer[0] != ' ' && buffer[0] != '\t') { putc(' ', out); - fprintf(out, "%s", field); - } while (i == 1 && (i = getln(field, sizeof(field))) >= 0); - if (i == -1) + } + fprintf(out, "%s", buffer); + } while (i == 1 && (i = getln(buffer, sizeof(buffer))) >= 0); + if (i == -1) { goto abort; + } } } - - if (state == FLDEOF) { /* moby hack */ - /* draft has no body separator; only headers */ - fprintf(out, "--------\n"); - if (!qbody) - break; - printf("--------\n"); - goto has_no_body; - } continue; - case BODY: - case BODYEOF: - case FILEEOF: + case BODY2: + case FILEEOF2: fprintf(out, "--------\n"); if (qbody) { - if (!*field) { + if (f.value == NULL) { printf("--------\n"); goto has_no_body; } @@ -199,8 +199,9 @@ abort: fflush(stdout); for (;;) { getln(buffer, sizeof(buffer)); - if (!*buffer) + if (!*buffer) { break; + } fprintf(out, "%s", buffer); } } else { @@ -208,54 +209,66 @@ abort: } } - do { - fprintf(out, "%s", field); - if (!rapid && !sigint) - printf("%s", field); - } while (state == BODY && - (state = m_getfld(state, name, - field, sizeof(field), in))); + if (state == BODY2) { + do { + fprintf(out, "%s", f.value); + if (!rapid && !sigint) { + printf("%s", f.value); + } + } while ((state = m_getfld2(state, &f, in)) + ==BODY2); + if (state != FILEEOF2) { + adios(EX_IOERR, "m_getfld2", "io error"); + } + } - if (prepend || !qbody) + if (prepend || !qbody) { break; + } printf("--------Enter additional text\n"); has_no_body: fflush(stdout); for (;;) { - getln(field, sizeof(field)); - if (!*field) + getln(buffer, sizeof(buffer)); + if (!*buffer) { break; - fprintf(out, "%s", field); + } + fprintf(out, "%s", buffer); } break; + case FMTERR2: + advise(NULL, "skeleton is poorly formatted"); + continue; default: - adios(NULL, "skeleton is poorly formatted"); + adios(EX_IOERR, "m_getfld2", "io error"); } break; } - if (qbody) + if (qbody) { printf("--------\n"); + } fflush(stdout); fclose(in); fclose(out); SIGNAL(SIGINT, SIG_IGN); - if ((fdi = open(tmpfil, O_RDONLY)) == NOTOK) - adios(tmpfil, "unable to re-open"); - if ((fdo = creat(drft, m_gmprot())) == NOTOK) - adios(drft, "unable to write"); + if ((fdi = open(tmpfil, O_RDONLY)) == NOTOK) { + adios(EX_IOERR, tmpfil, "unable to re-open"); + } + if ((fdo = creat(drft, m_gmprot())) == NOTOK) { + adios(EX_IOERR, drft, "unable to write"); + } cpydata(fdi, fdo, tmpfil, drft); close(fdi); close(fdo); unlink(tmpfil); - context_save(); /* save the context file */ - done(0); - return 1; + context_save(); + return EX_OK; } @@ -263,6 +276,7 @@ int getln(char *buffer, int n) { int c; + sig_atomic_t psigint = sigint; char *cp; cp = buffer; @@ -273,13 +287,14 @@ getln(char *buffer, int n) wtuser = 1; break; - case DONE: - wtuser = 0; - return 0; - default: wtuser = 0; - return NOTOK; + if (sigint == psigint) { + return 0; + } else { + sigint = psigint; + return NOTOK; + } } for (;;) { @@ -311,7 +326,8 @@ getln(char *buffer, int n) static void intrser(int i) { - if (wtuser) - longjmp(sigenv, NOTOK); + if (wtuser) { + close(STDIN_FILENO); + } sigint++; }