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author | jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> | 1997-08-21 22:57:35 +0000 |
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committer | jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> | 1997-08-21 22:57:35 +0000 |
commit | 28e9041cc224267271fbcd8db22bea115912365b (patch) | |
tree | a3b19970338bdae580faff126a716e1d5520400c /libiberty/tmpnam.c | |
parent | 5000a677980ebfb439f5349c5e269f7447dbab41 (diff) | |
download | gcc-28e9041cc224267271fbcd8db22bea115912365b.tar.gz |
Initial revision
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@14877 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libiberty/tmpnam.c')
-rw-r--r-- | libiberty/tmpnam.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libiberty/tmpnam.c b/libiberty/tmpnam.c new file mode 100644 index 00000000000..c0614677425 --- /dev/null +++ b/libiberty/tmpnam.c @@ -0,0 +1,39 @@ +#include <stdio.h> + +#ifndef L_tmpnam +#define L_tmpname 100 +#endif +#ifndef P_tmpdir +#define P_tmpdir "/usr/tmp" +#endif + +static char tmpnam_buffer[L_tmpnam]; +static int tmpnam_counter; + +extern int getpid (); + +char * +tmpnam (s) + char *s; +{ + int pid = getpid (); + + if (s == NULL) + s = tmpnam_buffer; + + /* Generate the filename and make sure that there isn't one called + it already. */ + + while (1) + { + FILE *f; + sprintf (s, "%s/%s%x.%x", P_tmpdir, "t", pid, tmpnam_counter); + f = fopen (s, "r"); + if (f == NULL) + break; + tmpnam_counter++; + fclose (f); + } + + return s; +} |