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-rw-r--r--src/user/lib/elfload.c1
-rw-r--r--src/user/lib/include/fcntl.h0
-rw-r--r--src/user/lib/include/inttypes.h1
-rw-r--r--src/user/lib/include/math.h2
-rw-r--r--src/user/lib/include/stdio.h2
-rw-r--r--src/user/lib/include/stdlib.h5
-rw-r--r--src/user/lib/include/string.h3
-rw-r--r--src/user/lib/include/strings.h5
-rw-r--r--src/user/lib/include/sys/stat.h8
-rw-r--r--src/user/lib/include/sys/types.h1
-rw-r--r--src/user/lib/math.c5
-rw-r--r--src/user/lib/stdio/misc.c6
-rw-r--r--src/user/lib/stdlib.c16
-rw-r--r--src/user/lib/string.c46
14 files changed, 90 insertions, 11 deletions
diff --git a/src/user/lib/elfload.c b/src/user/lib/elfload.c
index 6912239..777c8b8 100644
--- a/src/user/lib/elfload.c
+++ b/src/user/lib/elfload.c
@@ -160,6 +160,7 @@ void elf_exec(void *base, char **argv, char **envp) {
void *exebase = elf_loadmem(ehdr);
if (!exebase) return;
+ _klogf("exebase 0x%x", exebase);
void *newstack = _syscall_memflag((void*)0x1000, 0x1000, MEMFLAG_FINDFREE | MEMFLAG_PRESENT);
if (!newstack) return;
diff --git a/src/user/lib/include/fcntl.h b/src/user/lib/include/fcntl.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/user/lib/include/fcntl.h
diff --git a/src/user/lib/include/inttypes.h b/src/user/lib/include/inttypes.h
new file mode 100644
index 0000000..9a6118b
--- /dev/null
+++ b/src/user/lib/include/inttypes.h
@@ -0,0 +1 @@
+#include <stdint.h>
diff --git a/src/user/lib/include/math.h b/src/user/lib/include/math.h
index 07ff81d..1aec564 100644
--- a/src/user/lib/include/math.h
+++ b/src/user/lib/include/math.h
@@ -3,8 +3,6 @@
#define INFINITY __builtin_inff()
#define HUGE_VAL ((double)INFINITY)
-int abs(int i);
-
double acos(double x);
double asin(double x);
double atan2(double x, double y);
diff --git a/src/user/lib/include/stdio.h b/src/user/lib/include/stdio.h
index dd6a078..5ee0878 100644
--- a/src/user/lib/include/stdio.h
+++ b/src/user/lib/include/stdio.h
@@ -81,3 +81,5 @@ int rename(const char *old, const char *new);
#define L_tmpnam (5 + 16 + 1)
char *tmpnam(char *s);
+
+int sscanf(const char *restrict s, const char *restrict format, ...);
diff --git a/src/user/lib/include/stdlib.h b/src/user/lib/include/stdlib.h
index 8c827e3..2df0bf7 100644
--- a/src/user/lib/include/stdlib.h
+++ b/src/user/lib/include/stdlib.h
@@ -15,3 +15,8 @@ _Noreturn void exit(int);
int mkstemp(char *template);
char *getenv(const char *name);
int system(const char *cmd);
+
+int abs(int i);
+
+int atoi(const char *s);
+double atof(const char *s);
diff --git a/src/user/lib/include/string.h b/src/user/lib/include/string.h
index cf621d5..38fb0d2 100644
--- a/src/user/lib/include/string.h
+++ b/src/user/lib/include/string.h
@@ -4,6 +4,7 @@
long strtol(const char *restrict s, char **restrict end, int base);
double strtod(const char *restrict s, char **restrict end);
char *strchr(const char *s, int c);
+char *strrchr(const char *s, int c);
size_t strspn(const char *s, const char *accept);
size_t strcspn(const char *s, const char *reject);
@@ -18,5 +19,7 @@ int strcoll(const char *s1, const char *s2);
char *strstr(const char *s1, const char *s2);
char *strcpy(char *restrict s1, const char *restrict s2);
+char *strncpy(char *restrict s1, const char *restrict s2, size_t n);
+char *strdup(const char *s);
char *strerror(int errnum);
diff --git a/src/user/lib/include/strings.h b/src/user/lib/include/strings.h
new file mode 100644
index 0000000..d0abc47
--- /dev/null
+++ b/src/user/lib/include/strings.h
@@ -0,0 +1,5 @@
+#pragma once
+#include <stddef.h>
+
+int strcasecmp(const char *s1, const char *s2);
+int strncasecmp(const char *s1, const char *s2, size_t n);
diff --git a/src/user/lib/include/sys/stat.h b/src/user/lib/include/sys/stat.h
index a954c9b..78a8fc1 100644
--- a/src/user/lib/include/sys/stat.h
+++ b/src/user/lib/include/sys/stat.h
@@ -1,4 +1,5 @@
#pragma once
+#include <sys/types.h>
#include <errno.h> // only for ENOSYS
#define S_ISFIFO(x) 0
@@ -9,3 +10,10 @@ static inline int fstat(int fd, struct stat *sb) {
errno = ENOSYS;
return -1;
}
+
+static inline int mkdir(const char *path, mode_t mode) {
+ // TODO
+ (void)path; (void)mode;
+ errno = ENOSYS;
+ return -1;
+}
diff --git a/src/user/lib/include/sys/types.h b/src/user/lib/include/sys/types.h
index 3b1772b..9f6f8f8 100644
--- a/src/user/lib/include/sys/types.h
+++ b/src/user/lib/include/sys/types.h
@@ -5,3 +5,4 @@
typedef long long off_t;
typedef int64_t time_t;
typedef uint64_t clock_t;
+typedef int mode_t;
diff --git a/src/user/lib/math.c b/src/user/lib/math.c
index db1f2ec..bf7c039 100644
--- a/src/user/lib/math.c
+++ b/src/user/lib/math.c
@@ -1,11 +1,6 @@
#include <math.h>
#include <user/lib/panic.h>
-int abs(int i) {
- return i < 0 ? -i : i;
-}
-
-
// TODO port a libm
#pragma GCC diagnostic ignored "-Wunused-parameter"
double acos(double x) { __libc_panic("unimplemented"); }
diff --git a/src/user/lib/stdio/misc.c b/src/user/lib/stdio/misc.c
index d74c197..a140ee4 100644
--- a/src/user/lib/stdio/misc.c
+++ b/src/user/lib/stdio/misc.c
@@ -44,3 +44,9 @@ char *tmpnam(char *s) {
strcpy(s, "/tmp/tmpnam");
return s;
}
+
+// TODO sscanf
+int sscanf(const char *restrict s, const char *restrict format, ...) {
+ (void)s; (void)format;
+ return 0;
+}
diff --git a/src/user/lib/stdlib.c b/src/user/lib/stdlib.c
index 6018d16..38e87ad 100644
--- a/src/user/lib/stdlib.c
+++ b/src/user/lib/stdlib.c
@@ -1,7 +1,8 @@
-#include <camellia/syscalls.h>
#include <camellia/flags.h>
+#include <camellia/syscalls.h>
#include <errno.h>
#include <string.h>
+#include <user/lib/panic.h>
_Noreturn void abort(void) {
_syscall_exit(1);
@@ -30,3 +31,16 @@ int system(const char *cmd) {
errno = ENOSYS;
return -1;
}
+
+int abs(int i) {
+ return i < 0 ? -i : i;
+}
+
+int atoi(const char *s) {
+ return strtol(s, NULL, 10);
+}
+
+double atof(const char *s) {
+ (void)s;
+ __libc_panic("unimplemented");
+}
diff --git a/src/user/lib/string.c b/src/user/lib/string.c
index 386cffa..fa9c0ca 100644
--- a/src/user/lib/string.c
+++ b/src/user/lib/string.c
@@ -1,6 +1,7 @@
#include <ctype.h>
#include <errno.h>
#include <string.h>
+#include <strings.h>
long strtol(const char *restrict s, char **restrict end, int base) {
long res = 0;
@@ -55,7 +56,14 @@ double strtod(const char *restrict s, char **restrict end) {
char *strchr(const char *s, int c) {
for (; *s; s++) {
- if (*s == c) return (char*)s;
+ if (*s == c) return (char *)s;
+ }
+ return NULL;
+}
+
+char *strrchr(const char *s, int c) {
+ for (int i = strlen(s) + 1; i >= 0; i--) {
+ if (s[i] == c) return (char *)s + i;
}
return NULL;
}
@@ -123,9 +131,24 @@ char *strstr(const char *s1, const char *s2) {
}
char *strcpy(char *restrict s1, const char *restrict s2) {
- char *ret = s1;
while (*s2) *s1++ = *s2++;
- return ret;
+ *s1 = *s2;
+ return s1;
+}
+
+char *strncpy(char *restrict s1, const char *restrict s2, size_t n) {
+ for (size_t i = 0; i < n; i++) {
+ s1[i] = s2[i];
+ if (s1[i] == '\0') return s1 + i; // TODO fill with null bytes
+ }
+ return s1 + n;
+}
+
+char *strdup(const char *s) {
+ size_t len = strlen(s) + 1;
+ char *buf = malloc(len);
+ if (buf) memcpy(buf, s, len);
+ return buf;
}
// TODO strerror mapping
@@ -133,3 +156,20 @@ char *strerror(int errnum) {
(void)errnum;
return "unknown error";
}
+
+/* strings.h */
+int strcasecmp(const char *s1, const char *s2) {
+ return strncasecmp(s1, s2, ~0);
+}
+
+int strncasecmp(const char *s1, const char *s2, size_t n) {
+ for (size_t i = 0; i < n; i++) {
+ char c1 = tolower(s1[i]), c2 = tolower(s2[i]);
+ if (c1 == '\0' || c1 != c2) {
+ if (c1 < c2) return -1;
+ else if (c1 > c2) return 1;
+ else return 0;
+ }
+ }
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-22 16:00:52 +0000