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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
commit8c1ab65c0f548d20b7f177bdb736daaf603340e1 (patch)
treedf55b7e75bf43f2bf500845b105afe3ac3a5157e /libc-top-half/musl/src/stdlib/atoi.c
parentInitial commit. (diff)
downloadwasi-libc-8c1ab65c0f548d20b7f177bdb736daaf603340e1.tar.xz
wasi-libc-8c1ab65c0f548d20b7f177bdb736daaf603340e1.zip
Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libc-top-half/musl/src/stdlib/atoi.c')
-rw-r--r--libc-top-half/musl/src/stdlib/atoi.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/stdlib/atoi.c b/libc-top-half/musl/src/stdlib/atoi.c
new file mode 100644
index 0000000..9baca7b
--- /dev/null
+++ b/libc-top-half/musl/src/stdlib/atoi.c
@@ -0,0 +1,16 @@
+#include <stdlib.h>
+#include <ctype.h>
+
+int atoi(const char *s)
+{
+ int n=0, neg=0;
+ while (isspace(*s)) s++;
+ switch (*s) {
+ case '-': neg=1;
+ case '+': s++;
+ }
+ /* Compute n as a negative number to avoid overflow on INT_MIN */
+ while (isdigit(*s))
+ n = 10*n - (*s++ - '0');
+ return neg ? n : -n;
+}