sinit

suckless init
git clone git://git.2f30.org/sinit.git
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commit fd0f19b55727f4cc005bfa2c7959134e4a682617
parent 51664faebcc10b53a1a78cff95f0efc04a2c7f8e
Author: sin <sin@2f30.org>
Date:   Thu Feb  6 11:27:32 +0000

Be less harsh and don't error out entirely

Diffstat:
sinit.c | 28++++++++++++++--------------
util.h | 1+
util/eprintf.c | 18++++++++++++++----
3 files changed, 29 insertions(+), 18 deletions(-)
diff --git a/sinit.c b/sinit.c @@ -58,19 +58,21 @@ main(void) unlink(fifopath); umask(0); if (mkfifo(fifopath, 0600) < 0) - eprintf("mkfifo %s:"); + weprintf("sinit: mkfifo %s:"); fd = open(fifopath, O_RDWR | O_NONBLOCK); if (fd < 0) - eprintf("open %s:", fifopath); - while (1) { - FD_ZERO(&rfds); - FD_SET(fd, &rfds); - n = select(fd + 1, &rfds, NULL, NULL, NULL); - if (n < 0) - eprintf("select:"); - if (FD_ISSET(fd, &rfds)) - dispatchcmd(fd); + weprintf("sinit: open %s:", fifopath); + if (fd >= 0) { + while (1) { + FD_ZERO(&rfds); + FD_SET(fd, &rfds); + n = select(fd + 1, &rfds, NULL, NULL, NULL); + if (n < 0) + eprintf("sinit: select:"); + if (FD_ISSET(fd, &rfds)) + dispatchcmd(fd); + } } return EXIT_SUCCESS; @@ -97,9 +99,7 @@ dispatchcmd(int fd) n = read(fd, buf, sizeof(buf) - 1); if (n < 0) - eprintf("read:"); - if (n == 0) - return; + weprintf("sinit: read:"); buf[n] = '\0'; p = strchr(buf, '\n'); if (p) @@ -119,7 +119,7 @@ spawn(const char *file, char *const argv[]) pid = fork(); if (pid < 0) - eprintf("fork:"); + weprintf("sinit: fork:"); if (pid == 0) { setsid(); setpgid(0, 0); diff --git a/util.h b/util.h @@ -3,3 +3,4 @@ void enprintf(int, const char *, ...); void eprintf(const char *, ...); +void weprintf(const char *, ...); diff --git a/util/eprintf.c b/util/eprintf.c @@ -6,8 +6,6 @@ #include "../util.h" -char *argv0; - static void venprintf(int, const char *, va_list); void @@ -33,8 +31,6 @@ enprintf(int status, const char *fmt, ...) void venprintf(int status, const char *fmt, va_list ap) { - fprintf(stderr, "%s: ", argv0); - vfprintf(stderr, fmt, ap); if(fmt[0] && fmt[strlen(fmt)-1] == ':') { @@ -44,3 +40,17 @@ venprintf(int status, const char *fmt, va_list ap) exit(status); } + +void +weprintf(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); + if (fmt[0] && fmt[strlen(fmt)-1] == ':') { + fputc(' ', stderr); + perror(NULL); + } +}