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author | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
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committer | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
commit | fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch) | |
tree | bdda434976bc09c864f2e4fa6f16ba1952b1e555 /sys/libc/gets.c | |
download | iraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz |
Initial commit
Diffstat (limited to 'sys/libc/gets.c')
-rw-r--r-- | sys/libc/gets.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/sys/libc/gets.c b/sys/libc/gets.c new file mode 100644 index 00000000..309efa11 --- /dev/null +++ b/sys/libc/gets.c @@ -0,0 +1,34 @@ +/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. +*/ + +#define import_spp +#define import_libc +#define import_stdio +#include <iraf.h> + + +/* GETS -- Read a newline terminated sequence from the standard input and +** return the resultant string minus the newline to the user. +*/ +char * +gets ( + char *buf /* user supplied output buffer */ +) +{ + register FILE *fp = stdin; + register char *op = buf; + register int ch; + + + while ((ch = getc (fp)) != EOF) { + if (ch == '\n') + break; + *op++ = ch; + } + *op = EOS; + + if (ch == EOF && op == buf) + return ((char *) NULL); + else + return (buf); +} |