ref: d4afafed9b155b504d29c72755e2987a0724f461
parent: c19685c19ee0eb9c9bcfe8d89ab1fea5231216ea
author: Sigrid Haflínudóttir <ftrvxmtrx@gmail.com>
date: Sun Dec 22 10:49:36 EST 2019
Squashed 'c9/' changes from 24bfa2e..8a22517 8a22517 optional client/server compilation 3c6d044 provide a better example git-subtree-dir: c9 git-subtree-split: 8a2251728f02f436b3f841f59f2086a4ecbea135
--- a/README.md
+++ b/README.md
@@ -5,4 +5,4 @@
## Examples
Until I have time to write a minimal example you could take a look at
-https://github.com/ftrvxmtrx/dawfs/blob/master/c9net.c
+https://github.com/ftrvxmtrx/9pro/blob/master/9pex.c
--- a/c9.c
+++ b/c9.c
@@ -93,6 +93,8 @@
return r32(p) | (uint64_t)r32(p)<<32;
}
+#ifndef C9_NO_CLIENT
+
static C9error
newtag(C9ctx *c, C9ttype type, C9tag *tag)
{@@ -174,67 +176,7 @@
return p;
}
-static uint8_t *
-R(C9ctx *c, uint32_t size, C9rtype type, C9tag tag, C9error *err)
-{- uint8_t *p = NULL;
-
- if(size > c->msize-4-1-2){- c->error("R: invalid size");- *err = C9Esize;
- }else{- size += 4+1+2;
- if((p = c->begin(c, size)) == NULL){- c->error("R: no buffer");- *err = C9Ebuf;
- }else{- *err = 0;
- w32(&p, size);
- w08(&p, type);
- w16(&p, tag);
- }
- }
- return p;
-}
-
C9error
-c9parsedir(C9ctx *c, C9stat *stat, uint8_t **t, uint32_t *size)
-{- uint8_t *b;
- uint32_t cnt, sz;
-
- if(*size < 49 || (sz = r16(t)) < 47 || *size < 2+sz)
- goto error;
- *size -= 2+sz;
- *t += 6; /* skip type(2) and dev(4) */
- stat->qid.type = r08(t);
- stat->qid.version = r32(t);
- stat->qid.path = r64(t);
- stat->mode = r32(t);
- stat->atime = r32(t);
- stat->mtime = r32(t);
- stat->size = r64(t);
- sz -= 39;
- if((cnt = r16(t)) > sz-2)
- goto error;
- stat->name = (char*)*t; b = *t = *t+cnt; sz -= 2+cnt;
- if(sz < 2 || (cnt = r16(t)) > sz-2)
- goto error;
- stat->uid = (char*)*t; *b = 0; b = *t = *t+cnt; sz -= 2+cnt;
- if(sz < 2 || (cnt = r16(t)) > sz-2)
- goto error;
- stat->gid = (char*)*t; *b = 0; b = *t = *t+cnt; sz -= 2+cnt;
- if(sz < 2 || (cnt = r16(t)) > sz-2)
- goto error;
- stat->muid = memmove(*t-1, *t, cnt); *b = stat->muid[cnt] = 0; *t = *t+cnt; sz -= 2+cnt;
- *t += sz;
- return 0;
-error:
- c->error("c9parsedir: invalid size");- return C9Epkt;
-}
-
-C9error
c9version(C9ctx *c, C9tag *tag, uint32_t msize)
{uint8_t *b;
@@ -647,7 +589,71 @@
return C9Epkt;
}
+#endif /* C9_NO_CLIENT */
+
C9error
+c9parsedir(C9ctx *c, C9stat *stat, uint8_t **t, uint32_t *size)
+{+ uint8_t *b;
+ uint32_t cnt, sz;
+
+ if(*size < 49 || (sz = r16(t)) < 47 || *size < 2+sz)
+ goto error;
+ *size -= 2+sz;
+ *t += 6; /* skip type(2) and dev(4) */
+ stat->qid.type = r08(t);
+ stat->qid.version = r32(t);
+ stat->qid.path = r64(t);
+ stat->mode = r32(t);
+ stat->atime = r32(t);
+ stat->mtime = r32(t);
+ stat->size = r64(t);
+ sz -= 39;
+ if((cnt = r16(t)) > sz-2)
+ goto error;
+ stat->name = (char*)*t; b = *t = *t+cnt; sz -= 2+cnt;
+ if(sz < 2 || (cnt = r16(t)) > sz-2)
+ goto error;
+ stat->uid = (char*)*t; *b = 0; b = *t = *t+cnt; sz -= 2+cnt;
+ if(sz < 2 || (cnt = r16(t)) > sz-2)
+ goto error;
+ stat->gid = (char*)*t; *b = 0; b = *t = *t+cnt; sz -= 2+cnt;
+ if(sz < 2 || (cnt = r16(t)) > sz-2)
+ goto error;
+ stat->muid = memmove(*t-1, *t, cnt); *b = stat->muid[cnt] = 0; *t = *t+cnt; sz -= 2+cnt;
+ *t += sz;
+ return 0;
+error:
+ c->error("c9parsedir: invalid size");+ return C9Epkt;
+}
+
+#ifndef C9_NO_SERVER
+
+static uint8_t *
+R(C9ctx *c, uint32_t size, C9rtype type, C9tag tag, C9error *err)
+{+ uint8_t *p = NULL;
+
+ if(size > c->msize-4-1-2){+ c->error("R: invalid size");+ *err = C9Esize;
+ }else{+ size += 4+1+2;
+ if((p = c->begin(c, size)) == NULL){+ c->error("R: no buffer");+ *err = C9Ebuf;
+ }else{+ *err = 0;
+ w32(&p, size);
+ w08(&p, type);
+ w16(&p, tag);
+ }
+ }
+ return p;
+}
+
+C9error
s9version(C9ctx *c)
{uint8_t *b;
@@ -1157,3 +1163,5 @@
c->error("s9proc: invalid packet (type=%d)", t.type);return C9Epkt;
}
+
+#endif /* C9_NO_SERVER */
--- a/c9.h
+++ b/c9.h
@@ -297,8 +297,10 @@
/* private stuff */
uint32_t msize;
+#ifndef C9_NO_CLIENT
uint32_t flush[C9maxflush];
uint32_t tags[C9maxtags/C9tagsbits];
+#endif
union
{C9tag lowfreetag;
@@ -309,6 +311,8 @@
/* Parse one directory entry. */
extern C9error c9parsedir(C9ctx *c, C9stat *stat, uint8_t **data, uint32_t *size) __attribute__((nonnull(1, 2, 3)));
+#ifndef C9_NO_CLIENT
+
extern C9error c9version(C9ctx *c, C9tag *tag, uint32_t msize) __attribute__((nonnull(1, 2)));
extern C9error c9auth(C9ctx *c, C9tag *tag, C9fid afid, const char *uname, const char *aname) __attribute__((nonnull(1, 2)));
extern C9error c9flush(C9ctx *c, C9tag *tag, C9tag oldtag) __attribute__((nonnull(1, 2)));
@@ -331,6 +335,10 @@
*/
extern C9error c9proc(C9ctx *c) __attribute__((nonnull(1)));
+#endif /* C9_NO_CLIENT */
+
+#ifndef C9_NO_SERVER
+
extern C9error s9version(C9ctx *c) __attribute__((nonnull(1)));
extern C9error s9auth(C9ctx *c, C9tag tag, const C9qid *aqid) __attribute__((nonnull(1, 3)));
extern C9error s9error(C9ctx *c, C9tag tag, const char *err) __attribute__((nonnull(1)));
@@ -348,3 +356,5 @@
extern C9error s9wstat(C9ctx *c, C9tag tag) __attribute__((nonnull(1)));
extern C9error s9proc(C9ctx *c) __attribute__((nonnull(1)));
+
+#endif /* C9_NO_SERVER */